题目内容

14.听第10段材料,回答第17至20题.
17.What does Jason do?
A.A teacher.
B.A professor.
C.A doctor.
18.When did the speaker get into running?
A.In middle school.
B.In high school      
C.In university.
19.How long has the speaker been running?
A.For 7 years.
B.For 17 years.
C.For 27 years.
20.What should we do before beginning any hard exercise?
A.Do a little exercise.
B.Do a ten-minute walk.
C.Check with your doctor first.

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解答 CACC

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